• Principal System Administrator Linux

    RTX Corporation (Andover, MA)
    …only US citizens are eligible for a security clearance). + Experience with Microsoft Windows operating systems . + Experience with Red Hat Enterprise Linux + ... meaningful problems that create a safer, more secure world. **Principal System Administrator ** in Program Digital Services, collaborate with a diverse team to… more
    RTX Corporation (09/11/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you...with Microsoft Server 2019, 2022, and virtualization platforms like VMWare and Nutanix + Experience with SQL, Oracle, and… more
    M. C. Dean (08/30/25)
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  • Sr. Linux Systems Administrator

    RTX Corporation (El Segundo, CA)
    …clearance is preferred. + Experience with Linux and Windows Operating Systems . + Experience with VMware administration including ESXi hypervisors and VSphere ... the world. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + Working as a… more
    RTX Corporation (09/24/25)
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  • System Administrator 2

    DCCA (Fort Meade, MD)
    …dedication to excellence. Key Tasks: DCCA is looking for TS/SCI w/Polygraph cleared Systems Administrators with Linux and Windows experience! We have multiple ... in the resolution process. + Configure and manage Linux, UNIX and Windows operating systems and install/load operating system software, troubleshooting, maintain… more
    DCCA (08/22/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …solve complex IT infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise ... to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Senior...for a security clearance. + Must have Linux or Windows experience. + Experience with Active Directory, VMware… more
    RTX Corporation (10/03/25)
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  • RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret RHEL Administrator At Raytheon, the foundation of everything we do is rooted in ... safer, more secure world. This job opportunity is for the ROTHR System Administrator position at the Raytheon, ROTHR Chesapeake, Virginia facility. **What you will… more
    RTX Corporation (08/20/25)
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  • Linux System Administrator

    Huntington Ingalls Industries (Des Moines, IA)
    …short video: https://vimeo.com/732533072 Summary HII Mission Technologies is seeking a Linux Systems Administrator to support the Air National Guard (ANG) 132nd ... Air National Guard training and operations. By maintaining and securing Linux systems , the administrator enables seamless distributed training, strengthens cyber… more
    Huntington Ingalls Industries (10/16/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …mission of making the world a safer place. We are currently seeking a Principal Systems Administrator that will be working 100% onsite in a highly collaborative, ... multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...+ You will provide System Administration in a heterogeneous Windows & RedHat Enterprise Linux environment. + Advanced understanding… more
    RTX Corporation (10/15/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …solve complex IT infrastructure problems. **What You Will Do:** . Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise ... to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Senior...eligible for a security clearance. .Must have Linux or Windows experience. .Experience with Active Directory, VMware ,… more
    RTX Corporation (09/24/25)
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  • Network / System Administrator

    TEKsystems (Lenexa, KS)
    …to the KC metro area and able to work partial onsite Top Skills - Must Haves + Windows + VMware + System administrator + network security + SDWAN Top Skills' ... support network, security, servers and storage. * Network and Systems Administration o SDWAN * Network Security * Server...experience needed would be Networking and Network Security. Skills Windows , VMware , System Administrator , Network… more
    TEKsystems (10/18/25)
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